Dioscoreales
Family: Afrothismiaceae1
| Scientific Name | Author/s | Common Name | Last Record | Distribution | Status | Taxon Profile |
| Afrothismia baerae | Cheek (2003) | 2003 or before | Shimba Hills National Reserve, Kenya | Missing | Access | |
| Afrothismia pachyantha | Schlechter | 1905 | Mt. Cameroon & Mt. Kupe, Cameroon | Missing | Access |
1 https://www.biorxiv.org/content/10.1101/2023.01.10.523343v1.full.pdf
Family: Burmanniaceae
| Scientific Name | Author/s | Common Name | Last Record | Distribution | Status | Taxon Profile |
| Burmannia indica | Jonker | (rediscovered) | India | Rediscovered | Access | |
|
Haplothismia exannulata |
Airy Shaw |
|
(rediscovered) |
India |
Rediscovered |
|
|
Oxygyne hyodoi |
C. Abe & Akasawa (1989) | Hina-no-bonbori | 1988? | Nishiumi-Cho, Minamiuwa-gun, Ehime Prefecture, Shikoku, Japan | Missing | Access |
|
Oxygyne triandra |
Schlechter |
|
? |
Cameroon |
Extinct or extinct in the wild |
|
|
Thismia americana |
N.Pfeiff., 1914 |
Banded trinity |
1913 or 1916 |
Illinois, USA |
Extinct |
|
|
Thismia caudata |
Maas & H.Maas |
|
(rediscovered) |
Brazil |
Rediscovered |
|
|
Thismia clavigera |
(Becc.) F. v. M. |
|
(rediscovered) |
Malaysia, Borneo |
Rediscovered |
|
|
Thismia fungiformis |
(Taub. ex Warm.) Maas & H.Maas |
|
? |
Brazil |
Missing |
|
|
Thismia kobensis |
Suetsugu, 2018 |
|
(rediscovered) |
Kobe, Hyōgo Prefecture, Honshū, Japan |
Rediscovered |
|
|
Thismia macahensis |
(Taub. ex Warm.) Hatus. |
|
? |
Brazil |
Invalid (synonym) |
|
|
Thismia neptunis |
Beccari, 1878 |
|
(rediscovered) |
Sarawak, Malaysia |
Rediscovered |
|
|
Thismia tuberculata |
Hatus. |
|
24 September 1972 |
Mount Kirishima, Kagoshima Prefecture / Miyazaki Prefecture, Kyushu, Japan |
Missing |
Family: Dioscoreaceae
| Scientific Name | Author/s | Common Name | Last Record | Distribution | Status | Taxon Profile |
| Dioscorea brownii | Schinz | (rediscovered) | South Africa | Rediscovered | Access | |
|
Dioscorea buchananii undatiloba |
(Baker) Wilkin, 2015 |
|
1921 |
Limpopo and KwaZulu-Natal, South Africa |
Missing |
|
|
Dioscorea elephantipes |
(L'Hér.) Engl. |
|
(rediscovered) |
Northern Cape Province, South Africa |
Rediscovered |
|
|
Dioscorea inopinata |
Prain & Burkill |
|
(rediscovered) |
Thailand |
Rediscovered |
|
|
Dioscorea lepcharum |
Prain & Burkill |
|
(rediscovered) |
Arunachal Pradesh, India Pradesh, India |
Rediscovered |
|
|
Rajania prestoniensis |
R.Knuth, 1924 |
|
14 November 1914 |
Cuba |
Missing |
Family: Nartheciaceae
| Scientific Name | Author/s | Common Name | Last Record | Distribution | Status | Taxon Profile |
| Narthecium montanum | (Small) Grey | Appalachian yellow asphodel | ? | North Carolina, USA | Extinct | Access |